Well, if you're interested in some greater level of security where you
can decrypt, you might want to check out rijndael encryption (a type of
AES). Shane Kretzmann wrote a good rijndael php class that I think is
still on phpclasses.
It can be a bit difficult working with binary passwords, but if you
really need security, it seems like one of the better options.
I've been testing it myself, and the only issue I see is, of course:
keeping the key secret. I've been looking at a few methods, but I'm
always interested in others ideas on that issue.
Cristian Vrabie wrote:
It's true md5 is very old but is not completely obsolete. Used in
combination with a random salt is still hard to decode.
Maybe i won't use it as encryption for passwords any more but I would
use it for digital signature or data integrity check.
[EMAIL PROTECTED] wrote:
Whilst reviewing my penetration testing I have noticed that both the
md5 and sha1 hashing algorithms are now considered less secure than
previously thought. Migration to sha256 is encouraged:
Then I found the comment below from:
http://md5.rednoize.com offers a service to reverse engineer md5
hashes. Very useful if you got a md5 hash and need the plain text
string of this md5 hash. The website has currently over 47 million
hashes stored. It also has support for SHA-1 hashes.
Consequently I shall be updating my authentication class.
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